40512431415552 has 144 divisors (see below), whose sum is σ = 109820908892352. Its totient is φ = 13255244513280.

The previous prime is 40512431415527. The next prime is 40512431415553. The reversal of 40512431415552 is 25551413421504.

It is not an unprimeable number, because it can be changed into a prime (40512431415553) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13058208 + ... + 15860064.

Almost surely, 2^{40512431415552} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40512431415552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54910454446176).

40512431415552 is an abundant number, since it is smaller than the sum of its proper divisors (69308477476800).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40512431415552 is a wasteful number, since it uses less digits than its factorization.

40512431415552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2802224 (or 2802210 counting only the distinct ones).

The product of its (nonzero) digits is 480000, while the sum is 42.

The spelling of 40512431415552 in words is "forty trillion, five hundred twelve billion, four hundred thirty-one million, four hundred fifteen thousand, five hundred fifty-two".